Contains \Drupal\rest\Plugin\views\row\DataFieldRow.
<?php
/**
* @file
* Contains \Drupal\rest\Plugin\views\row\DataFieldRow.
*/
namespace Drupal\rest\Plugin\views\row;
use Drupal\views\ViewExecutable;
use Drupal\views\Plugin\views\display\DisplayPluginBase;
use Drupal\views\Plugin\views\row\RowPluginBase;
use Drupal\Component\Annotation\Plugin;
use Drupal\Core\Annotation\Translation;
/**
* Plugin which displays fields as raw data.
*
* @ingroup views_row_plugins
*
* @Plugin(
* id = "data_field",
* module = "rest",
* title = @Translation("Fields"),
* help = @Translation("Use fields as row data."),
* display_types = {"data"}
* )
*/
class DataFieldRow extends RowPluginBase {
/**
* Overrides \Drupal\views\Plugin\views\row\RowPluginBase::$usesFields.
*/
protected $usesFields = TRUE;
/**
* Stores an array of prepared field aliases from options.
*
* @var array
*/
protected $replacementAliases = array();
/**
* Stores an array of options to determine if the raw field output is used.
*
* @var array
*/
protected $rawOutputOptions = array();
/**
* Overrides \Drupal\views\Plugin\views\row\RowPluginBase::init().
*/
public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) {
parent::init($view, $display, $options);
if (!empty($this->options['field_options'])) {
$options = (array) $this->options['field_options'];
// Prepare a trimmed version of replacement aliases.
$aliases = static::extractFromOptionsArray('alias', $options);
$this->replacementAliases = array_filter(array_map('trim', $aliases));
// Prepare an array of raw output field options.
$this->rawOutputOptions = static::extractFromOptionsArray('raw_output', $options);
}
}
/**
* Overrides \Drupal\views\Plugin\views\row\RowPluginBase::buildOptionsForm().
*/
protected function defineOptions() {
$options = parent::defineOptions();
$options['field_options'] = array(
'default' => array(),
);
return $options;
}
/**
* Overrides \Drupal\views\Plugin\views\row\RowPluginBase::buildOptionsForm().
*/
public function buildOptionsForm(&$form, &$form_state) {
parent::buildOptionsForm($form, $form_state);
$form['field_options'] = array(
'#type' => 'table',
'#header' => array(
t('Field'),
t('Alias'),
t('Raw output'),
),
'#empty' => t('You have no fields. Add some to your view.'),
'#tree' => TRUE,
);
$options = $this->options['field_options'];
if ($fields = $this->view->display_handler
->getOption('fields')) {
foreach ($fields as $id => $field) {
$form['field_options'][$id]['field'] = array(
'#markup' => $id,
);
$form['field_options'][$id]['alias'] = array(
'#type' => 'textfield',
'#default_value' => isset($options[$id]['alias']) ? $options[$id]['alias'] : '',
'#element_validate' => array(
array(
$this,
'validateAliasName',
),
),
);
$form['field_options'][$id]['raw_output'] = array(
'#type' => 'checkbox',
'#default_value' => isset($options[$id]['raw_output']) ? $options[$id]['raw_output'] : '',
);
}
}
}
/**
* Form element validation handler for \Drupal\rest\Plugin\views\row\DataFieldRow::buildOptionsForm().
*/
public function validateAliasName($element, &$form_state) {
if (preg_match('@[^A-Za-z0-9_-]+@', $element['#value'])) {
form_error($element, t('The machine-readable name must contain only letters, numbers, dashes and underscores.'));
}
}
/**
* Overrides \Drupal\views\Plugin\views\row\RowPluginBase::validateOptionsForm().
*/
public function validateOptionsForm(&$form, &$form_state) {
// Collect an array of aliases to validate.
$aliases = static::extractFromOptionsArray('alias', $form_state['values']['row_options']['field_options']);
// If array filter returns empty, no values have been entered. Unique keys
// should only be validated if we have some.
if (($filtered = array_filter($aliases)) && array_unique($filtered) !== $filtered) {
form_set_error('aliases', t('All field aliases must be unique'));
}
}
/**
* Overrides \Drupal\views\Plugin\views\row\RowPluginBase::render().
*/
public function render($row) {
$output = array();
foreach ($this->view->field as $id => $field) {
// If this is not unknown and the raw output option has been set, just get
// the raw value.
if ($field->field_alias != 'unknown' && !empty($this->rawOutputOptions[$id])) {
$value = $field
->sanitizeValue($field
->getValue($row), 'xss_admin');
}
else {
$value = $field
->render($row);
}
$output[$this
->getFieldKeyAlias($id)] = $value;
}
return $output;
}
/**
* Return an alias for a field ID, as set in the options form.
*
* @param string $id
* The field id to lookup an alias for.
*
* @return string
* The matches user entered alias, or the original ID if nothing is found.
*/
public function getFieldKeyAlias($id) {
if (isset($this->replacementAliases[$id])) {
return $this->replacementAliases[$id];
}
return $id;
}
/**
* Extracts a set of option values from a nested options array.
*
* @param string $key
* The key to extract from each array item.
* @param array $options
* The options array to return values from.
*
* @return array
* A regular one dimensional array of values.
*/
protected static function extractFromOptionsArray($key, $options) {
return array_map(function ($item) use ($key) {
return isset($item[$key]) ? $item[$key] : NULL;
}, $options);
}
}
Name | Description |
---|---|
DataFieldRow | Plugin which displays fields as raw data. |